Contraction_visitor.h

 /*    This file is part of the Gudhi Library. The Gudhi library 
  *    (Geometric Understanding in Higher Dimensions) is a generic C++ 
  *    library for computational topology.
  *
  *    Author(s):       David Salinas
  *
  *    Copyright (C) 2014  INRIA Sophia Antipolis-Mediterranee (France)
  *
  *    This program is free software: you can redistribute it and/or modify
  *    it under the terms of the GNU General Public License as published by
  *    the Free Software Foundation, either version 3 of the License, or
  *    (at your option) any later version.
  *
  *    This program is distributed in the hope that it will be useful,
  *    but WITHOUT ANY WARRANTY; without even the implied warranty of
  *    MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  *    GNU General Public License for more details.
  *
  *    You should have received a copy of the GNU General Public License
  *    along with this program.  If not, see <http://www.gnu.org/licenses/>.
  */

#ifndef GUDHI_CONTRACTION_VISITOR_H_
#define GUDHI_CONTRACTION_VISITOR_H_

#include "gudhi/Contraction/Edge_profile.h"
#include "boost/optional.hpp"

namespace Gudhi{

namespace contraction {

template <typename EdgeProfile>
class Contraction_visitor {//: public Dummy_complex_visitor<typename EdgeProfile::Vertex_handle>  {
public:
    //typedef typename ComplexType::GeometryTrait GT;
    typedef EdgeProfile Profile;
    typedef double FT;
    typedef typename Profile::Complex Complex;
    typedef Complex ComplexType;
    typedef typename ComplexType::Point Point;


    virtual ~Contraction_visitor(){};

    virtual void on_started (ComplexType & complex){}

    virtual void on_stop_condition_reached (){}


    virtual void on_collected (const Profile &profile, boost::optional< FT > cost){}

    virtual void on_selected (const Profile &profile, boost::optional< FT > cost, int initial_count, int current_count){}


    virtual void on_contracting(const Profile &profile, boost::optional< Point > placement){
    }



    virtual void on_contracted(const Profile  &profile, boost::optional< Point > placement){

    }


    virtual void on_non_valid(const Profile  &profile){}

};

}  // namespace contraction

}  // namespace GUDHI

#endif /* GUDHI_CONTRACTION_VISITOR_H_ */